Convert ICD-9-CM Diagnosis 661.40 to ICD-10-CM

ICD-9-CM 661.40 converts approximately to:
  • 2020 ICD-10-CM O62.4 Hypertonic, incoordinate, and prolonged uterine contractions

Note: approximate conversions between ICD-9-CM codes and ICD-10-CM codes may require clinical interpretation in order to determine the most appropriate conversion code(s) for your specific coding situation.

Source: 2020 ICD-10-CM CMS General Equivalence Mappings.